| Paradigm | compiled, concurrent, structured |
|---|---|
| Designed by | Phil Winterbottom |
| First appeared | 1992 |
| Typing discipline | Static, strong |
| OS | Plan 9 from Bell Labs |
| Influenced by | |
| C, Newsqueak | |
| Influenced | |
| Limbo, Rust, Go | |
Alef is a discontinued concurrent programming language, designed as part of the Plan 9 operating system by Phil Winterbottom of Bell Labs. It implemented the channel-based concurrency model of Newsqueak in a compiled, C-like language.